{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:NWIOVW5JICWSRW3QEYX6OIVVZM","short_pith_number":"pith:NWIOVW5J","canonical_record":{"source":{"id":"1612.00457","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-12-01T21:00:06Z","cross_cats_sorted":[],"title_canon_sha256":"dd1b7d5a02ed3dea57c4f16a82abf5cb70c9b519ef61ec7ad1d85a1f40dacddd","abstract_canon_sha256":"c60eb0d8cf8b2ac64df3bcc8d49c19f06cc645894e177797871537cc5ca4e4a1"},"schema_version":"1.0"},"canonical_sha256":"6d90eadba940ad28db70262fe722b5cb25e00bf4ab6c01c963987edc4b37b203","source":{"kind":"arxiv","id":"1612.00457","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.00457","created_at":"2026-05-18T00:41:20Z"},{"alias_kind":"arxiv_version","alias_value":"1612.00457v2","created_at":"2026-05-18T00:41:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.00457","created_at":"2026-05-18T00:41:20Z"},{"alias_kind":"pith_short_12","alias_value":"NWIOVW5JICWS","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_16","alias_value":"NWIOVW5JICWSRW3Q","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_8","alias_value":"NWIOVW5J","created_at":"2026-05-18T12:30:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:NWIOVW5JICWSRW3QEYX6OIVVZM","target":"record","payload":{"canonical_record":{"source":{"id":"1612.00457","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-12-01T21:00:06Z","cross_cats_sorted":[],"title_canon_sha256":"dd1b7d5a02ed3dea57c4f16a82abf5cb70c9b519ef61ec7ad1d85a1f40dacddd","abstract_canon_sha256":"c60eb0d8cf8b2ac64df3bcc8d49c19f06cc645894e177797871537cc5ca4e4a1"},"schema_version":"1.0"},"canonical_sha256":"6d90eadba940ad28db70262fe722b5cb25e00bf4ab6c01c963987edc4b37b203","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:41:20.918242Z","signature_b64":"d/IFAdTy0bngS/7UaECO0JRz18Bznpeu2Di0NpDWZq2kTxKtHXFBZSttM4O2Z8X+fT2l+QCNA7GscFLEsGBIBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6d90eadba940ad28db70262fe722b5cb25e00bf4ab6c01c963987edc4b37b203","last_reissued_at":"2026-05-18T00:41:20.917440Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:41:20.917440Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1612.00457","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:41:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gTyQi85H72TCO5PCi8NBHhgzO6ic/R04RxKsYmUu++stDqD4wpdhucSYIDfKkUJcMBpUAsAvrphOAuX2DRuGBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T06:58:41.548370Z"},"content_sha256":"1d9f4b99d15992a19ab3bf9c32e2772fac372b2919c40828e7c37ca44f5c9c32","schema_version":"1.0","event_id":"sha256:1d9f4b99d15992a19ab3bf9c32e2772fac372b2919c40828e7c37ca44f5c9c32"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:NWIOVW5JICWSRW3QEYX6OIVVZM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Searching for Primordial Black Holes in the radio and X-ray sky","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Daniele Gaggero, Emma Storm, Francesca Calore, Gianfranco Bertone, Mark Lovell, Riley M.T. Connors, Sera Markoff","submitted_at":"2016-12-01T21:00:06Z","abstract_excerpt":"We model the accretion of gas onto a population of massive primordial black holes in the Milky Way, and compare the predicted radio and X-ray emission with observational data. We show that under conservative assumptions on the accretion process, the possibility that ${\\cal O}(10) \\, M_\\odot$ primordial black holes can account for all of the dark matter in the Milky Way is excluded at $5\\sigma$ by a comparison with a VLA radio catalog at $1.4$ GHz, and at $\\simeq 40\\sigma$ by a comparison with a Chandra X-ray catalog ($0.5 - 8$ keV). We argue that this method can be used to identify such a popu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.00457","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:41:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tqUOMK84IR+o5+227chRt7oWo276WJ/x1VUjeGOC+bl8wu4TcD7J4MnmyKj0PGjeKYUuxB8Wd6WIlNQq8BQ1CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T06:58:41.549060Z"},"content_sha256":"f1045d6e6b652c2858ca42a43aa932323abc52bda9eb921c764dfeeea0b2f3e4","schema_version":"1.0","event_id":"sha256:f1045d6e6b652c2858ca42a43aa932323abc52bda9eb921c764dfeeea0b2f3e4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NWIOVW5JICWSRW3QEYX6OIVVZM/bundle.json","state_url":"https://pith.science/pith/NWIOVW5JICWSRW3QEYX6OIVVZM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NWIOVW5JICWSRW3QEYX6OIVVZM/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-09T06:58:41Z","links":{"resolver":"https://pith.science/pith/NWIOVW5JICWSRW3QEYX6OIVVZM","bundle":"https://pith.science/pith/NWIOVW5JICWSRW3QEYX6OIVVZM/bundle.json","state":"https://pith.science/pith/NWIOVW5JICWSRW3QEYX6OIVVZM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NWIOVW5JICWSRW3QEYX6OIVVZM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:NWIOVW5JICWSRW3QEYX6OIVVZM","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"c60eb0d8cf8b2ac64df3bcc8d49c19f06cc645894e177797871537cc5ca4e4a1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-12-01T21:00:06Z","title_canon_sha256":"dd1b7d5a02ed3dea57c4f16a82abf5cb70c9b519ef61ec7ad1d85a1f40dacddd"},"schema_version":"1.0","source":{"id":"1612.00457","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.00457","created_at":"2026-05-18T00:41:20Z"},{"alias_kind":"arxiv_version","alias_value":"1612.00457v2","created_at":"2026-05-18T00:41:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.00457","created_at":"2026-05-18T00:41:20Z"},{"alias_kind":"pith_short_12","alias_value":"NWIOVW5JICWS","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_16","alias_value":"NWIOVW5JICWSRW3Q","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_8","alias_value":"NWIOVW5J","created_at":"2026-05-18T12:30:36Z"}],"graph_snapshots":[{"event_id":"sha256:f1045d6e6b652c2858ca42a43aa932323abc52bda9eb921c764dfeeea0b2f3e4","target":"graph","created_at":"2026-05-18T00:41:20Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We model the accretion of gas onto a population of massive primordial black holes in the Milky Way, and compare the predicted radio and X-ray emission with observational data. We show that under conservative assumptions on the accretion process, the possibility that ${\\cal O}(10) \\, M_\\odot$ primordial black holes can account for all of the dark matter in the Milky Way is excluded at $5\\sigma$ by a comparison with a VLA radio catalog at $1.4$ GHz, and at $\\simeq 40\\sigma$ by a comparison with a Chandra X-ray catalog ($0.5 - 8$ keV). We argue that this method can be used to identify such a popu","authors_text":"Daniele Gaggero, Emma Storm, Francesca Calore, Gianfranco Bertone, Mark Lovell, Riley M.T. Connors, Sera Markoff","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-12-01T21:00:06Z","title":"Searching for Primordial Black Holes in the radio and X-ray sky"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.00457","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:1d9f4b99d15992a19ab3bf9c32e2772fac372b2919c40828e7c37ca44f5c9c32","target":"record","created_at":"2026-05-18T00:41:20Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"c60eb0d8cf8b2ac64df3bcc8d49c19f06cc645894e177797871537cc5ca4e4a1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-12-01T21:00:06Z","title_canon_sha256":"dd1b7d5a02ed3dea57c4f16a82abf5cb70c9b519ef61ec7ad1d85a1f40dacddd"},"schema_version":"1.0","source":{"id":"1612.00457","kind":"arxiv","version":2}},"canonical_sha256":"6d90eadba940ad28db70262fe722b5cb25e00bf4ab6c01c963987edc4b37b203","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6d90eadba940ad28db70262fe722b5cb25e00bf4ab6c01c963987edc4b37b203","first_computed_at":"2026-05-18T00:41:20.917440Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:41:20.917440Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"d/IFAdTy0bngS/7UaECO0JRz18Bznpeu2Di0NpDWZq2kTxKtHXFBZSttM4O2Z8X+fT2l+QCNA7GscFLEsGBIBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:41:20.918242Z","signed_message":"canonical_sha256_bytes"},"source_id":"1612.00457","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1d9f4b99d15992a19ab3bf9c32e2772fac372b2919c40828e7c37ca44f5c9c32","sha256:f1045d6e6b652c2858ca42a43aa932323abc52bda9eb921c764dfeeea0b2f3e4"],"state_sha256":"f8e60cf1b5af0fc5b74e02d3c1274116ff328df88f83344cfc766912b6344470"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1gO226fJNli3AorXfBxndB/psJIifQ8PSYFE2gez8DCpjCbTDom7+4yl6JVQ5v3d4faDWuMyEO8eNGq6DqAaAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T06:58:41.553222Z","bundle_sha256":"3d701403367d48c924def0b09d60d44caaf28525755f54c188eb10fb5e1e302b"}}